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Titolo:
Effect of hypobaric hypoxia on rat soleus muscle fibers and their innervating motoneurons: A review
Autore:
Ishihara, A; Itoh, K; Itoh, M; Hirofuji, C;
Indirizzi:
Kyoto Univ, Fac Integrated Human Studies, Neurochem Lab, Sakyo Ku, Kyoto 6068501, Japan Kyoto Univ Kyoto Japan 6068501 ochem Lab, Sakyo Ku, Kyoto 6068501, Japan Univ E Asia, Grad Sch Integrated Sci & Art, Shimonoseki, Yamaguchi 7510807, Japan Univ E Asia Shimonoseki Yamaguchi Japan 7510807 Yamaguchi 7510807, Japan Osaka Gakuin Coll, Dept Exercise Physiol, Suita, Osaka 5648511, Japan Osaka Gakuin Coll Suita Osaka Japan 5648511 , Suita, Osaka 5648511, Japan
Titolo Testata:
JAPANESE JOURNAL OF PHYSIOLOGY
fascicolo: 6, volume: 50, anno: 2000,
pagine: 561 - 568
SICI:
0021-521X(200012)50:6<561:EOHHOR>2.0.ZU;2-R
Fonte:
ISI
Lingua:
ENG
Soggetto:
OXIDATIVE ENZYME-ACTIVITY; HEAVY-CHAIN ISOFORMS; SUCCINATE-DEHYDROGENASE ACTIVITY; OBSTRUCTIVE PULMONARY-DISEASE; EXTENSOR DIGITORUM LONGUS; SKELETAL-MUSCLE; HIGH-ALTITUDE; SOMA SIZE; METABOLIC VARIATION; ALPHA-MOTONEURONS;
Keywords:
hypobaric hypoxia; muscle fiber type; oxidative enzyme activity; soleus muscle; spinal motoneuron;
Tipo documento:
Review
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
52
Recensione:
Indirizzi per estratti:
Indirizzo: Ishihara, A Kyoto Univ, Fac Integrated Human Studies, Neurochem Lab, SakyoKu, Kyoto 6068501, Japan Kyoto Univ Kyoto Japan 6068501 akyo Ku, Kyoto 6068501, Japan
Citazione:
A. Ishihara et al., "Effect of hypobaric hypoxia on rat soleus muscle fibers and their innervating motoneurons: A review", JPN J PHYSL, 50(6), 2000, pp. 561-568

Abstract

Mammalian skeletal muscle fibers are classified into three basic types based on their enzyme histochemical profiles: fast-twitch glycolytic (FG), fast-twitch oxidative glycolytic (FOG), and slow-twitch oxidative (SO) types. The type-shift of fibers from FOG to SO in the slow soleus muscle of rats occurs during postnatal growth. Our previous studies have demonstrated that hypoxic exposure inhibits a growth-related type-shift of fibers from FOG toSO in the rat soleus muscle, irrespective of the duration and age at whichthe animals are exposed to hypoxia. Our previous studies have also revealed that a high percentage of FOG fibers in the soleus muscle of the hypoxia-adapted rats is found only under hypoxic conditions. Furthermore, we have found that these adaptations in fibers of the rat soleus muscle correspond well with those in motoneurons at the ventral horn of the spinal cord that innervate the muscle fibers.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 02/04/20 alle ore 02:53:13